ITK  4.4.0
Insight Segmentation and Registration Toolkit
itkOpenCVVideoCapture.h
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3  * Copyright Insight Software Consortium
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5  * Licensed under the Apache License, Version 2.0 (the "License");
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18 #ifndef __itkOpenCVVideoCapture_h
19 #define __itkOpenCVVideoCapture_h
20 
21 #include <string>
22 
23 #include "highgui.h"
24 #include "itkVideoStream.h"
25 
26 namespace itk
27 {
28 
40 template <class TVideoStream>
41 class OpenCVVideoCapture : public cv::VideoCapture
42 {
43 public:
44 
48  typedef TVideoStream VideoStreamType;
50  typedef typename VideoStreamType::FrameType FrameType;
51  typedef typename FrameType::PixelType PixelType;
52  static const unsigned int Dimensions = FrameType::ImageDimension;
53 
56 
58  OpenCVVideoCapture(VideoStreamType* videoStream);
59 
63  {
64  }
65 
67  itkTypeMacro(OpenCVVideoCapture, cv::VideoCapture);
68 
72  virtual bool open(const std::string &)
73  {
74  itkExceptionMacro("itk::OpenCVVideoCapture::open(filename) -> If you just want "
75  "to read from a file, use cv::VideoCapture since there is nothing to be "
76  "gained using itk's version.");
77  }
78 
79  virtual bool open(int)
80  {
81  itkExceptionMacro("itk::OpenCVVideoCapture::open(device) -> If you just want "
82  "to read from a device, use cv::VideoCapture since there is nothing to be "
83  "gained using itk's version.");
84  }
85 
88  virtual bool open(VideoStreamType* videoStream);
89 
91  virtual bool isOpened() const
92  {
93  return m_VideoStream == 0;
94  }
95 
98  virtual void release();
99 
103  virtual bool grab();
104 
106  virtual bool retrieve(cv::Mat & image, int channel = 0);
107 
110  virtual Self & operator >>(cv::Mat& image);
111 
113  virtual bool read(cv::Mat& image);
114 
118  virtual bool set(int propId, double value);
119 
121  virtual double get(int propId);
122 
123 protected:
124 
127 
129  double m_FpS;
130  int m_FourCC;
131 
132 }; // end class VideoCapture
133 
134 } // end namespace itk
135 
136 #ifndef ITK_MANUAL_INSTANTIATION
137 #include "itkOpenCVVideoCapture.hxx"
138 #endif
139 
140 #endif
141